Datasheet

©1988 Fairchild Semiconductor Corporation www.fairchildsemi.com
74AC245, 74ACT245 Rev. 1.5.0 2
74AC245, 74ACT245 — Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
Connection Diagram
Pin Description
Logic Symbol
IEEE/IEC
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Pin
Names Description
OE
Output Enable Input
T/R
Transmit/Receive Input
A
0
–A
7
Side A 3-STATE Inputs or 3-STATE
Outputs
B
0
–B
7
Side B 3-STATE Inputs or 3-STATE
Outputs
Inputs
OutputsOE T/R
LLBus B Data to Bus A
LHBus A Data to Bus B
HXHIGH-Z State